CN1073195A - Anti-expolsive treating method for natural coke and kiln thereof - Google Patents
Anti-expolsive treating method for natural coke and kiln thereof Download PDFInfo
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- CN1073195A CN1073195A CN92113373A CN92113373A CN1073195A CN 1073195 A CN1073195 A CN 1073195A CN 92113373 A CN92113373 A CN 92113373A CN 92113373 A CN92113373 A CN 92113373A CN 1073195 A CN1073195 A CN 1073195A
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- kiln
- warm area
- warm
- hot blast
- natural coke
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- 238000000034 method Methods 0.000 title claims abstract description 30
- 239000000571 coke Substances 0.000 title claims abstract description 26
- 239000000463 material Substances 0.000 claims abstract description 9
- 238000011084 recovery Methods 0.000 claims abstract description 8
- 239000003610 charcoal Substances 0.000 claims description 16
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 7
- 239000003546 flue gas Substances 0.000 claims description 7
- 239000004567 concrete Substances 0.000 claims description 5
- 239000007789 gas Substances 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 5
- 239000011150 reinforced concrete Substances 0.000 claims description 5
- 239000002893 slag Substances 0.000 claims description 5
- 229910052902 vermiculite Inorganic materials 0.000 claims description 4
- 235000019354 vermiculite Nutrition 0.000 claims description 4
- 239000010455 vermiculite Substances 0.000 claims description 4
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 3
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 3
- 239000004571 lime Substances 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 claims description 3
- 230000009970 fire resistant effect Effects 0.000 claims description 2
- 238000004880 explosion Methods 0.000 abstract description 6
- 239000002918 waste heat Substances 0.000 abstract description 6
- 239000000446 fuel Substances 0.000 abstract description 5
- 239000002994 raw material Substances 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 238000010924 continuous production Methods 0.000 abstract 1
- 238000004901 spalling Methods 0.000 abstract 1
- 239000003245 coal Substances 0.000 description 7
- 239000003337 fertilizer Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 241000251468 Actinopterygii Species 0.000 description 1
- 241000628997 Flos Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 description 1
- 239000003830 anthracite Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000004093 laser heating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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- Coke Industry (AREA)
Abstract
The present invention relates to anti-expolsive treating method for natural coke and kiln thereof, it makes in the 50-500 ℃ of temperature section of natural coke in introducing the hot blast kiln, divides some warm areas, and continuous from low to high heat treated certain hour is transformed into not explosion natural coke.Several different warm areas are set in its kiln, each warm area temperature can be set by hot blast, the return air adjustable plate of regulating its both sides, also be provided with the waste heat recovery air channel, loading and unloading material track etc., less investment, continuous production efficient height, energy consumption is low, cost is low, has solved natural coke and has met the thermal spalling problem, makes the natural coke of being sunk into sleep can be converted into industry, civilian cheap price and excellent quality raw material or fuel.
Description
The invention belongs to the coal processing technology, especially a kind of anti-expolsive treating method for natural coke and processing kiln thereof.
Natural coke (being commonly called as hard charcoal) is a kind of anthracite block coal, its Heat stability is good, and thermal value is 5700-6500 kilocalorie/kilogram, and this coal all has distribution in areas such as China northeast, North China, and only Jiaocheng County, Shanxi reserves just reach more than 200,000,000 tons.But this natural coke put into temperature be higher than 60 ℃ stove fire in the time, at once explosion adult fish squamous fragment causes fray-out of flame, therefore this natural treasure-house can't utilize.People are exploring how to utilize this natural coke all the time for many years, make it to be used for industry and civilian, but are not solved all the time at all.
The object of the present invention is to provide a kind of natural coke to prevent explosion treatment process and processing kiln thereof, make in the 50-500 ℃ of temperature section of natural coke in the kiln of introducing hot blast, divide several warm areas, from low temperature to high temperature with the continuous heat treated certain hour of hot blast, be transformed into the unburstable natural coke, thereby be chemical fertilizer industry, civilian raw material or the fuel that a kind of cheapness is provided.
Anti-expolsive treating method for natural coke of the present invention, its treating processes is as follows: natural coke is broken into the 10-20cm bulk, divides to be placed in the charcoal piece car; In kiln, introduce hot blast or hot gas flow, make kiln interior in 50-60 ℃ of extremely final treatment temp 400-500 ℃ temperature section of initiated process temperature, form several different warm areas, send into the above-mentioned charcoal piece car that block natural coke is housed in the kiln successively, from low temperature to each warm area material of high temperature all by hot blast heat treated 1-2 hour, after its heat treated 5-8 hour, material is transformed into the unburstable natural coke.
The kiln of realizing above-mentioned anti-expolsive treating method for natural coke comprises: the impartial part of kiln body, process furnace, chimney, induced draft fan, material loading transporting mechanism and blanking conveyer, and wherein said kiln body is constructed as follows:
The kiln body is horizontal, on cushion lime (24), be equipped with reinforced concrete foundation (23), both sides are wall base (27) above the basis (23), be equipped with rail (12) in the middle of the two wall bases (27), in wall base (27) is upward built and is had, outer walling (1,2), it between the interior exterior wall adiabatic heat-insulation vermiculite concrete obturator (3), interior wall (1) top is taken and is striden reinforced concrete hollow slab (21), adiabatic heat-insulation vermiculite concrete obturator (3) is arranged above the cored slab (21), this is dried slag layer (22) above obturator, dried slag layer (22) is gone up the top and is masonry of outer layer (2), forms a banded cave dwelling in the kiln body;
Kiln body one side is provided with hot air passage (4), the front end of hot air passage (4) is communicated with process furnace (7), from left to right be arranged at intervals with 5 hot blast adjustable plates (9) between the cave dwelling of hot air passage (4) and kiln body, kiln body opposite side is provided with air-return duct (5), induced draft fan (13) inlet is connected in air-return duct (5) outlet, chimney (16) is connected in induced draft fan (13) outlet, also be provided with between the cave dwelling of air-return duct (5) and kiln body and corresponding 5 the return air adjustable plates of hot blast adjustable plate (9) (10), described each hot blast adjustable plate (9) and be in and constitute a warm area between the return air adjustable plate (10) of its diagonal position, from left to right be respectively the V warm area, the IV warm area, the III warm area, the II warm area, the I warm area, I, II, the IV warm area is provided with 2 stations (station is adorned a joint charcoal piece car), the III warm area is provided with 4 stations, and the V warm area is provided with 2-3 station.
When realizing aforesaid method by this kiln, 5 different warm areas will be divided in the kiln, they are respectively 60 ℃ of I warm areas, 120 ℃ of II warm areas, 190-260 ℃ of III warm area, 300 ℃ of IV warm areas, 400 ℃ of V warm areas, I, II, IV warm area have 2 stations respectively, the III warm area has 4 stations, the V warm area has 2 stations, each joint buggies stopped 0.5 hour at each station (effectively handling station), make material by hot blast heat treated 0.5 hour, whole process supplies heat treated 6 hours, and coming out of the stove is the unburstable natural coke.
Description of drawings of the present invention is as follows: Fig. 1 is the orthographic plan of its kiln, and Fig. 2 is its kiln 1-1 sectional view.
Further describe below in conjunction with accompanying drawing.Fig. 1, each several part is respectively in 2: interior walling (1), outer walling (2), thermal insulating warm-keeping layer (3), hot air passage (4), air-return duct (5), waste heat recovery air channel (6), process furnace (7), lifting gate plate (8), hot blast adjustable plate (9), return air adjustable plate (10), charcoal piece car (11), rail (12), induced draft fan (13), chimney (14), backwind tube (15), flue gas adjustable plate (16), flue gas adjustable plate (17), thermometer hole (18), listen blast hole (19), access door brick structures (20), reinforced concrete hollow slab (21), dried slag layer (22), Steel Concrete furnace foundation (23), cushion lime (24), return air gate sheet (25), process furnace floss hole (26), wall base (27).
Composition as accompanying drawing 1,2 described kilns is as indicated above, repeats no more.Below further specify treating processes.During work, light process furnace (7) earlier, open induced draft fan (13) then, and the adjustable plate (9,10) of each warm area reached maximum, when stove to be heated reaches trouble-free burning, and the kiln inlet temperature is stabilized in about 80-100 ℃, the furnace outlet temperature is about 400-500 ℃, regulate hot blast, return air adjustable plate (9), (10) of each warm area then respectively, make I, II, III, IV, V warm area reach 60 ℃, 120 ℃, 190-260 ℃ respectively, 300 ℃, 400 ℃ the time, can produce.With feed mechanisms such as windlasss first segment charcoal piece car is promoted to kiln ingress, opens fire door, make the first segment car enter the I warm area, close fire door, heat treated 0.5 hour; Open fire door, make the second joint car enter the I warm area, the first segment car advances a station, closes fire door, heat treated 0.5 hour; Open fire door, make the 3rd joint car enter the I warm area, make second and third joint car advance a station, this moment, the first segment car entered the II warm area, closed fire door, heat treated 0.5 hour; By that analogy, after the 12 joint car enters the I warm area, first and second joint car enters the V warm area, third and fourth the joint car enter the IV warm area, the 5th, six, seven, eight, the joint car enter the III warm area, the 9th, ten the joint cars enters the II warm area, the 11 joint car is still at the I warm area, after handling 0.5 hour again, open fire door, make the 13 joint car enter the I warm area, corresponding first to the 12 joint car advances a station, open lifting flashboard (8), first car enters non-heating region, closes lifting lock gate hatch (8), close fire door, continue heat treated; Simultaneously can open non-heating zone lifting gate, make the finished product kiln discharge.In the said process, each joint car stopped respectively 0.5 hour on 12 effective stations in kiln; The physical heating processing cycle is 6 hours.
In the above-mentioned treating processes, produce negative pressure during induced draft fan (13) running, cause air-return duct (5) to form negative pressure, hot blast makes hot air passage (4) also produce negative pressure through adjustable plate (9,10), Fuel Furnace (7) is under the effect of outdoor malleation hot air passage (4) negative pressure, fully oxygen supply burning, the hot blast of certain temperature is entered in the kiln through each warm area adjustable plate by hot air passage (4), its heat major part is absorbed by block natural coke, cause its internal crystallization water to shed with gas form, take away by hot gas flow, enter atmosphere through chimney.When entering atmospheric flue gas relative humidity when little, recyclable recycling, therefore this kiln also is provided with waste heat recovery air channel (6), air channel (6) is arranged on the outside of hot air passage (4), the inlet in air channel (6) and backwind tube (15) UNICOM that is connected in chimney (16) sidewall, be provided with flue gas adjustable plate (17) between recovery tube (15) and chimney (16), be provided with between the outlet of air channel (6) and hot air passage (4) and reclaim lock gate hatch (25).Close flue gas adjustable plate (16) during use, open flue gas adjustable plate (17) and be left hot blast through backwind tube (15), enter waste heat recovery air channel (6), enter hot air passage (4), recycle through reclaiming gate sheet (25) in the blower fan positive pressure.
In addition; for moving partss such as the bearing of protecting the charcoal piece car that is in the intravital cave dwelling of kiln bottom, wheels; be provided with a low temperature space in the cave dwelling bottom; it is to constitute like this: after rail (12) entered cave dwelling, the fire-resistant base plate of charcoal piece car (11) is following to constitute a low temperature space to the width that rail, wheel part are put in banded cave dwelling bottom in the kiln body greater than upper width charcoal piece car (11).
Also be provided with several tins blast hole (19) and thermometer hole (18) on this kiln, the former checks working condition in the stove at any time for operation, and the latter can pack into thermopair, thermometric instrument are for regulating each warm area temperature, monitor temperature parameter at random in the stove.
Advantage of the present invention is as follows:
1, the present invention proposes and make natural coal in introducing the kiln of hot blast in 50-500 ℃ the temperature section, divide several warm areas, process certain hour from low temperature to high temperature with the hot blast laser heating, be transformed into the effective ways of not explosion natural coal, a kind of raw material or fuel of cheapness is provided for chemical fertilizer industry, civilian etc.
2, kiln modern design of the present invention, between horizontal body of heater and hot-flow flue, be provided with several hot blast adjustable plates, between body of heater and air-return duct, be provided with several return air adjustable plates, form a warm area between each hot blast adjustable plate and the corresponding return air adjustable plate, each warm area is loop in parallel, the pressure loss is little, makes the coefficient of total pressure of blower fan also little, and motor power (output) is low, cost is low, simultaneously, the warm area adjustment is convenient, and the blast of each warm area is substantially equal, has guaranteed the requirement for the treatment of process.
3, be designed with the waste heat recovery air channel, thermal current can be recycled, simultaneously, top, side wall, hot-flow flue, air-return duct and waste heat recovery air channel are that insulation is housed is adiabatic on the kiln body The composite sandwich structural of layer, so its thermal efficiency height, energy consumption is low.
4, in order to protect the moving part bearing of charcoal piece, wheel etc., the cave dwelling bottom of this kiln body also is provided with a low temperature space, to be provided its service life.
5, the processing of the explosion-proof of natural coal is continuation mode, the production efficiency height, the no explosion natural coal of this method processing is put into combustion furnace and is burnt, explosion can not take place, burning is normal, can be used as the desirable feedstock of chemical fertilizer factory's blue-gas generator and replace used high grade coke, can be used as simultaneously cheap domestic fuel.
Claims (5)
1, a kind of anti-expolsive treating method for natural coke is characterized in that treating processes is as follows:
Natural coke is broken into the 10-20cm bulk, divides to be placed in the charcoal piece car;
In kiln, introduce hot blast or hot gas flow, make kiln interior in 50-60 ℃ of extremely final treatment temp 400-500 ℃ temperature section of initiated process temperature, form several different warm areas, send into the above-mentioned charcoal piece car that block natural coke is housed in the kiln successively, from low temperature to each warm area material of high temperature all by hot blast heat treated 1-2 hour, after heat treated 5-8 hour, material is transformed into the unburstable natural coke altogether.
2, method according to claim 1, it is characterized in that: be divided into five different warm areas in the described kiln, they are respectively 60 ℃ of I warm areas, 120 ℃ of II warm areas, 190-260 ℃ of III warm area, 300 ℃ of IV warm areas, 400 ℃ of V warm areas, I, II, IV warm area have 2 stations respectively, the III warm area has 4 stations, the V warm area has 2 stations, each joint charcoal piece car stopped 0.5 hour at each station (effectively handling station), make material by hot blast heat treated 0.5 hour, whole process was for heat treated 6 hours.
3, realize the kiln of method as claimed in claim 1 or 2, comprising: the impartial part of kiln body, process furnace, chimney, induced draft fan, material loading transporting mechanism and blanking conveyer is characterized in that described kiln body is constructed as follows:
The kiln body is horizontal, on cushion lime (24), be equipped with reinforced concrete foundation (23), both sides are wall base (27) above the basis (23), be equipped with rail (12) in the middle of the two wall bases (27), in wall base (27) is upward built and is had, outer walling (1,2), it between the interior exterior wall adiabatic heat-insulation vermiculite concrete obturator (3), interior wall (1) top is taken and is striden reinforced concrete hollow slab (21), adiabatic heat-insulation vermiculite concrete obturator (3) is arranged above the cored slab (21), this is dried slag layer (22) above obturator, dried slag layer (22) is gone up the top and is masonry of outer layer (2), forms a banded cave dwelling in the kiln body
Kiln body one side is provided with hot air passage (4), the front end of hot air passage (4) is communicated with process furnace (7), from left to right be arranged at intervals with 5 hot blast adjustable plates (9) between the cave dwelling of hot air passage (4) and kiln body, kiln body opposite side is provided with air-return duct (5), induced draft fan (13) inlet is connected in air-return duct (5) outlet, chimney (16) is connected in induced draft fan (13) outlet, also be provided with between the cave dwelling of air-return duct (5) and kiln body and corresponding 5 the return air adjustable plates of hot blast adjustable plate (9) (10), described each hot blast adjustable plate (9) and be in and constitute a warm area between the return air adjustable plate (10) of its diagonal position, from left to right be respectively the V warm area, the IV warm area, the III warm area, the II warm area, the I warm area, I, II, the IV warm area is provided with 2 stations (station is adorned a joint charcoal piece car), the III warm area is provided with 4 stations, and the V warm area is provided with 2-3 station.
4, kiln according to claim 3, it is characterized in that: have surplus heat in the arranged outside of hot air passage (4) and reclaim air channel (6), air channel (6) enters the mouth and is communicated with the backwind tube (15) that is connected in chimney (16) sidewall, is provided with between recovery tube (15) and the chimney (16) between the outlet of flue gas adjustable plate (17), air channel (6) and the hot air passage (4) and is provided with return air lock gate hatch (25).
5, kiln according to claim 3, it is characterized in that: after rail (12) entered cave dwelling, the fire-resistant base plate of charcoal piece car (11) is following to constitute a low temperature space to the width that rail, wheel part are put in the intravital banded cave dwelling of described kiln bottom greater than upper width, charcoal piece car (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN92113373A CN1073195A (en) | 1992-11-16 | 1992-11-16 | Anti-expolsive treating method for natural coke and kiln thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN92113373A CN1073195A (en) | 1992-11-16 | 1992-11-16 | Anti-expolsive treating method for natural coke and kiln thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1073195A true CN1073195A (en) | 1993-06-16 |
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ID=4946373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN92113373A Pending CN1073195A (en) | 1992-11-16 | 1992-11-16 | Anti-expolsive treating method for natural coke and kiln thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1073195A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103398548A (en) * | 2013-07-29 | 2013-11-20 | 蔡京鹏 | Method and device for vaporization-heat-mostly-recyclable drying, carbonization or pyrolysis |
| CN111408630A (en) * | 2020-03-26 | 2020-07-14 | 苏州铭德铝业有限公司 | Hot processing method of aluminum profile and aluminum profile prepared by hot processing method |
-
1992
- 1992-11-16 CN CN92113373A patent/CN1073195A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103398548A (en) * | 2013-07-29 | 2013-11-20 | 蔡京鹏 | Method and device for vaporization-heat-mostly-recyclable drying, carbonization or pyrolysis |
| CN103398548B (en) * | 2013-07-29 | 2016-01-20 | 蔡京鹏 | A kind of heat of vaporization can greatly portion recycle oven dry, destructive distillation or method for pyrolysis and device |
| CN111408630A (en) * | 2020-03-26 | 2020-07-14 | 苏州铭德铝业有限公司 | Hot processing method of aluminum profile and aluminum profile prepared by hot processing method |
| CN111408630B (en) * | 2020-03-26 | 2021-11-02 | 苏州铭德铝业有限公司 | Hot processing method of aluminum profile and aluminum profile prepared by hot processing method |
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| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
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